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Management Team

John Gravelle

President & Chief Executive Officer

Mr. Gravelle has extensive experience working with mining companies in a professional services capacity. As a result of this he has built a strong network of relationships with senior executives and board members of public and private mining companies.

Shahab Jaffrey

Chief Financial Officer

Mr. Jaffrey is an experienced chartered accountant possessing strong commercial and technical skills with core expertise in financial reporting and advisory related issues having worked with large  International and Canadian accounting firms. He possesses more than 13 years of experience across Australia, Canada, Russia, Kazakhstan, Pakistan and the Middle East with major clients being listed  companies in the Mining and Oil & Gas sector. His last role was with Sherritt International Corporation as part of their senior internal audit and risk management team.

Filipe Faria

Vice President, Exploration

Mr. Faria is a geologist with over thirty years experience in mineral exploration. Over the last thirteen years he has been a partner and the principal consulting geologist of GEOLOG – Gabinete de Geociências Lda, a geological consultancy based in Lisbon, Portugal. Prior to that he worked for Rio Tinto plc, Ashanti Goldfields Ltd, European Gold Resources Inc., and as an independent consultant. Over the course of his career, he has been responsible of numerous geological and mineral exploration/evaluation projects for a number of domestic and international companies focusing in Western Europe and Southern Africa. Fluent in Portuguese and English, Mr. Faria has been a member of the Portuguese Association of Geologists since 1982 and the Geological Society of Portugal since 1978.

Luís Martins

Advisory Board Chairman and Director Business & Development Europe

Luis Martins is a geologist with 30 years of experience in the exploration and mining sector. He graduated from the Faculty of Sciences of Lisbon (1973) and has a MsC in Economic Geology from the same faculty (1995) and also several national and international post-graduation courses. He was a former Director of the Mineral Resources Department at the Geology and Mining Institute (the Geological Survey) and a former Director of the Mines and Quarries Department at the Directorate-General of Energy and Geology (the Mining Authority). He has participated in several national and international research projects, especially in the mineral exploration, environmental geology and mining heritage fields, the majority of them with co-ordination functions and coordinated several international working groups, like the “Mineral Resources Topic Network” and the “Minerals Policy Sector” of the EuroGeoSurveys (1997-2002) and the CYTED Ibero-American Network “Land Use and Mineral Resources” (2002-2007). He was the Portuguese representative on the “Raw Materials Supply Group” of DG Enterprise and Industry of the European Commission (June 2010-August 2012) and, as an expert, on the “UNECE Expert Group on Resource Classification” (October 2010-August 2012). He has published over 100 national and international peer-review publications. He has participated in 350 conferences, workshops and seminars where he has presented papers in 80 of them and taught more than 20 graduate level short courses.

Jorge Valente

Vice President, Engineering and Development

Jorge Valente is a Portuguese citizen and resides in Brazil. Mr Valente has over 40 years of extensive experience in the mining industry. He is a mining engineer (graduated from IST, Lisbon, 1970), specializing in Geo-mathematics (mineral resources and ore reserves estimation and mine planning). He also teaches post-graduate courses at the School of Mines of UFOP (Ouro Preto Federal University), and is a certified CP (“competent person”, by SME – USA). He is the author of two books and many articles dealing with subjects of his speciality, some of which have been published in English.